C505-L
8位单芯片微控制器 8-Bit Single-Chip Microcontroller
• Fully compatible to standard 8051 microcontroller
• Superset of the 8051 architecture with 8 datapointers
• Up to 20 MHz operating frequency
– 375 ns instruction cycle time @16 MHz
– 300 ns instruction cycle time @20 MHz 50 % duty cycle
• On-chip program memory with optional memory protection
– C505-2R/C505C-2R : 16k byte on-chip ROM
– C505A-4E/C505CA-4E: 32k byte on-chip OTP
– alternatively up to 64k byte external program memory
• 256 byte on-chip RAM
• On-chip XRAM
– C505/C505C : 256 byte
– C505A/C505CA : 1K byte
• 32 + 2 digital I/O lines
– Four 8-bit digital I/O ports
– One 2-bit digital I/O port port 4
– Port 1 with mixed analog/digital I/O capability
• Three 16-bit timers/counters
– Timer 0 / 1 C501 compatible
– Timer 2 with 4 channels for 16-bit capture/compare operation
• Full duplex serial interface with programmable baudrate generator USART
• Full CAN Module, version 2.0 B compliant C505C and C505CA only
– 256 register/data bytes located in external data memory area
– 1 MBaud CAN baudrate when operating frequency is equal to or above 8 MHz
– internal CAN clock prescaler when input frequency is over 10 MHz
• On-chip A/D Converter
– up to 8 analog inputs
– C505/C505C : 8-bit resolution
– C505A/C505CA: 10-bit resolution
• Twelve interrupt sources with four priority levels
• On-chip emulation support logic Enhanced Hooks Technology TM 1
• Programmable 15-bit watchdog timer
• Oscillator watchdog
• Fast power on reset
• Power Saving Modes
– Slow-down mode
– Idle mode can be combined with slow-down mode
– Software power-down mode with wake up capability through P3.2/INT0 or P4.1/RXDC pin
• P-MQFP-44 package
• Pin configuration is compatible to C501, C504, C511/C513-family
• Temperature ranges:
SAB-C505 versions TA = 0 to 70 °C
SAF-C505 versions TA = – 40 to 85 °C
SAH-C505 versions TA = – 40 to 110 °C max. operating frequency: TBD
SAK-C505 versions TA = – 40 to 125 °C max. operating frequency: 12 MHz with 50% duty cycle
